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2047 篇文章
where their unique lobed fins are a distinct advantage.
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where their unique lobed fins are a distinct advantage. 在那里 它们独特的叶鳍是一种明显的优势

distinct lobed fins advantage unique where their are a
They are the most abundant group of animals on Earth.
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They are the most abundant group of animals on Earth. 它们是地球上数量最多的动物

abundant group most animals they of the are earth on
there are more than a billion insects.
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there are more than a billion insects. 超过人类数量的10亿倍

insects than more are billion there a
arthropods are evolution
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arthropods are evolution 节肢动物的进化

arthropods evolution are
and are no larger than a grain of rice.
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and are no larger than a grain of rice. 而且只有一粒米那么大

grain rice larger than no of are and a
And with oxygen levels 60% higher than they are today,
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And with oxygen levels 60% higher than they are today, 当时的氧气水平比今天高60%

higher levels today than oxygen with they are and
they are the tallest living things to have ever existed.
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they are the tallest living things to have ever existed. 是史上最高的生物

existed things tallest living ever they have the to are
But redwoods are just one of more than 400,000 species of plant,
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But redwoods are just one of more than 400,000 species of plant, 但是红杉只是40万植物物种中的一个

redwoods plant than species just more of are but one
Today's redwoods are nature's skyscrapers.
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Today's redwoods are nature's skyscrapers. 今天的红杉是大自然的摩天大厦

nature's skyscrapers redwoods today's are
lichen are a strange combination of fungi and algae...
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lichen are a strange combination of fungi and algae... 而是真菌和藻类的奇怪组合

combination lichen algae fungi strange of are and a